Common name:White Gaura
Botanical name:Gaura lindheimeri

White Gaura is a profusely flowering perennial for all zones; it grows 2'-4' high. It has pink buds that open to showy white flowers in spring and fall. It needs full sun and is drought tolerant. -Cornflower Farms

Common name:Spanish Iris
Botanical name:Iris xiphium

The Dutch Iris are really hybrids of the Spanish Iris. Plant the bulbs about 4" deep in a sunny spot and a well-drained soil. A mulch for winter protection is a good idea.

Common name:Blue Fescue, Blue Fescuegrass
Botanical name:Festuca glauca

This groundcover/grass will grow less than 1' tall and has small, blue green leaves.

Common name:Firebird Border Penstemon
Botanical name:Penstemon hybrids 'Firebird'

Penstemon gloxiniodes 'Firebird' is perennial, but sometimes treated as an annual. It has a compact, bushy, upright growth to 4' tall. Tubular summer flowers in loose spikes appear at the stem ends, in a rosy red color.

Common name:Azure or Russian Sage
Botanical name:Perovskia X atriplicifolia

This broad perennial will grow 3'-6' tall and has small, gray green leaves with blue violet flowers that bloom in the summer.

Common name:Sea Lavender, Statice
Botanical name:Limonium perezii

This mounding shrub will reach about 3' high and has large, dark green leaves with small blue and purple flowers that bloom in spring and summer.